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Check if catz is active in dns__catz_update_cb()

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A reconfiguration can deactivate the catalog zone, while the
offloaded update process was preparing to run.
This commit is contained in:
Aram Sargsyan 2023-03-02 13:32:21 +00:00
parent 67c77aba38
commit 6980e3b354
1 changed files with 11 additions and 0 deletions
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11
lib/dns/catz.c
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@ -2228,6 +2228,7 @@ dns__catz_update_cb(void *data) {
char bname[DNS_NAME_FORMATSIZE];
char cname[DNS_NAME_FORMATSIZE];
bool is_vers_processed = false;
bool is_active;
uint32_t vers;
uint32_t catz_vers;
@ -2251,6 +2252,7 @@ dns__catz_update_cb(void *data) {
dns_name_toregion(&updb->origin, &r);
LOCK(&catzs->lock);
result = isc_ht_find(catzs->zones, r.base, r.length, (void **)&oldcatz);
is_active = (result == ISC_R_SUCCESS && oldcatz->active);
UNLOCK(&catzs->lock);
if (result != ISC_R_SUCCESS) {
/* This can happen if we remove the zone in the meantime. */
@ -2260,6 +2262,15 @@ dns__catz_update_cb(void *data) {
goto exit;
}
if (!is_active) {
/* This can happen during a reconfiguration. */
isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
DNS_LOGMODULE_MASTER, ISC_LOG_INFO,
"catz: zone '%s' is no longer active", bname);
result = ISC_R_CANCELED;
goto exit;
}
result = dns_db_getsoaserial(updb, oldcatz->updbversion, &vers);
if (result != ISC_R_SUCCESS) {
/* A zone without SOA record?!? */